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Photovoltaic System Output Forecasting by Solar Cell Conversion Efficiency Revision Factors  

Lee Il-Ryong (한양대 공대 전기공학과)
Bae In-Su (한양대 공대 전기공학과)
Shim Hun ((주)에스에너지 기술연구소)
Kim Jin-O (한양대 공대 전기공학과)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers B / v.54, no.4, 2005 , pp. 188-194 More about this Journal
Abstract
There are many factors that affect on the system output of Photovoltaic(PV) power generation; the variation of solar radiation, temperature, energy conversion efficiency of solar cell etc. This paper suggests a methodology for calculation of PV generation output using the probability distribution function of irradiance, PV array efficiency and revision factors of solar cell conversion efficiency. Long-term irradiance data recorded every hour of the day for 11 years were used. For goodness-fit test, several distribution (unctions are tested by Kolmogorov-Smirnov(K-S) method. The calculated generation output with or without revision factors of conversion efficiency is compared with that of CMS (Centered Monitoring System), which can monitor PV generation output of each PV generation site.
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